Injecting and delivering machine for mortar and other materials



E. FRAENKEL 1,810,271

INJECTING AND DELIVERING MACHINE FOR MORTAR AND OTHER MATERIALS June 16, 1931.

Filed June 8.41929 Patented-June 16,-1931 r V UNITED STATES! oaFica V ERNST FRAE-NKEL, or BERLIN, GERMANY INJEGTING AND DELIVERING MACHINE FOR MORTAR AND OTHER MATERIALS Application filed June 8, .1929, Serial No. 369,485, and in Germany February 29511928 Heretofore in the art, it has been extremevessel and carry respectively a bevel gear'tia ly difficult to deliver mortar and other mateand a bevel gear 7 a, both'in mesh with a drivrials that are used in a fluid or moistened coning, bevel wheel 8 which is conveniently dition through long hose piping to the place mounted in the manner shown. 4 denotes of utilization by means of compressed air. the compressed air nozzle, and 5 the delivery The present invention enables the difficulpipe which aligns with-the discharge endf ties experienced in the prior art to be overof said nozzle and to the outer end of which come in that the mortar or other material or a flexible hose can be attached. Said delivmixture, (whetherthin or viscous) is introery pipe 5 is slidably mounted for adjustment l0 'duced into a vessel wherein it is kept in conrelative to the discharge end-of the air nozstant motion by a stirring device and from zle- 4, as by means of a handle 9. i which it is forced, by the actionof com- The mortar or other material to bedepressed air issuing from a nozzle into the ,livered is charged into'the vessel l-which is same, into a delivery pipe disposed in alignthereafter closed by the valve 2. The stirring I ment with the direction of discharge from device is set in operation and keeps the mass said nozzle. The motion imparted to the of the material in continual motion so as to mass in the vessel by the stirrers prevents prevent it from settling on the compressed the material from settling, thereby obviating; 'airnozzle 4 and clogging the same. Conseclogging of the nozzle whichwould otherquently, the stream of compressed air ad 0 wise occur and which would hinder the demitted through said nozzle 4: forces the mor w 7 livery action; so that a continuous stream of tar or other material in" the vessel continthe material can now be delivered even uously into the adjustable deliv ry ipe 5 through long piping. I and thence through the attached flexible pip- By disposing the delivery pipe that faces ing (not shewn) to the place of utilization.

25 the discharge end of the air nozzle so that I I claim .5 1

it can be adjusted, the consistency of the 1. .An injecting and delivering machine for material introduced into the vessel can be mortar and other materials that are to be taken into consideration. In other words, used in a fluid and moistened condition com the inlet to the delivery pipe can be set with prising, a vessel into which the material is 3U respect to the discharge end of the air nozcharged, means for maintaining the material zle according to the consistency of the mate in said vessel in constant motion, a comrial so as to obtain the best results under all pressed air nozzle opening into the mass of, conditions. material in said vessel,1a delivery pipe dis- One constructional form of my'machine is posed in-alignment with the discharge end of illustrated, by way of example, on the accomsaid nozzle and means connected to the eX- panying drawings, whereon; Y terior of said vessel for adjusting the inte- Fig. l'represents a vertical section through rior relation of said delivery pipe with re- I the machine; and u I spect to said nozzle.

Fig. 2 represents a section on the line'AB 2.. An injecting and delivering machine for of Figure l. V mortar and other materials that are to be no Referring to the drawings, 1 denotes the used'ina fluid or moistened condition, comvessel into which the, mortar orother mateprising a vessel into which the material is rial is introduced through a charging hopper 7 charged, means for maintaining the material controlled by a valve 2. Within the vessel is in said vessel in constant motion, a com- H 4:, a stirring device 3 comprised of two rotatable pressed air nozzle opening into the mass of es and coacting' stirrers one mounted directly material in'said vessel, and a delivery pipe on a vertical shaft 6 and the other mounted disposed in alignment with the discharge on a sleeve 7 surroundingsaid shaft. The end of said nozzle for adjustment in relation shaft. 6 and the sleeve 7 extend to the outside thereto.

so through a suitable gland in the bottom of the 3.. An injecting and delivering" machine for mortar and other materials that are used in fluid or moistened condition, comprising a vessel into which the material is charged, co-acting stirrers mounted for rotation in said vessel, mechanism for effecting rotation of said stirrers to maintain the material in said vessel in constant motion, a compressed air nozzle opening into the mass of material in said vessel, a delivery pipe disposed in alignment with the discharge end of said nozzle and a manually actuated lever pivotally mounted 011 the exterior of said Vessel and connected with said delivery pipe for variably positioning said delivery pipe in selected spacial relation to said nozzle.

4. An injecting and delivering machine for mortar and other materials that are used in a fluid or moistened condition comprising a vessel into'which the material is charged, (so-acting stirrers mounted for rotation in the vessel, mechanism for effecting rotation of the stirrers to maintain the material in said vessel in constant motion, a compressed air nozzle opening into the mass of material in said vessel, and a delivery pipe disposed in alignment with the discharge end of said nozzle for adjustment in relation thereto.

In testimony whereof I aflix my signature.

ERNST FRAENKEL. 

